MX29L3211TC-10 View Datasheet(PDF) - Macronix International

Part Name

Description

MFG CO.

MX29L3211TC-10

32M-BIT [4M x 8/2M x 16] CMOS SINGLE VOLTAGE PAGEMODE FLASH EEPROM

Macronix International 

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Figure 11. SECTOR UNPROTECT ALGORITHM

START,

PLSCNT=0

Write Data AAH Address 5555H

Write Data 55H Address 2AAAH

Write Data 60H Address 5555H

Write Data AAH Address 5555H

Write Data 55H Address 2AAAH

Write Data 40H, Sector Address*

Read Status Register

NO

SR7 = 1

?

YES

Protect Sector

Operation Terminated

To

Verify Protect

Status ?

NO

Device Stays at

Read S.R. Mode

YES

Verify Protect Status Flow

(Figure 12)

NOTE :

*Only the Top or the Bottom Sector Address is vaild in this feature.

i.e. Sector Address = (A20,A19,A18,A17,A16) = 00000B or 11111B

P/N:PM0641

29

MX29L3211

Increment PLSCNT,

To Unprotect Sector Again

NO

PLSCNT

= 25 ?

NO

Data

= 00H ?

YES

Device Failed

YES

Write Data AAH Address 5555H

Write Data 55H Address 2AAAH

Write Data 60H Address 5555H

Write Data AAH Address 5555H

Write Data 55H Address 2AAAH

Write Data 40H, Sector Address*

Read Status Register

NO

SR7 = 1

?

YES

Sector Unprotected,Operation

Done, Device Stays at

Verify Sector Protect Mode

REV. 0.3, NOV. 06, 2001

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